The basic circuit illustrates how regarding form one potential divider using the ESP32 S3 processor & a 1k kiloohm resistor. Using placing pair of impedances in series, one can decrease the voltage level for a reading http://theengineerstore.in/products/10w-15w-20w-stereo-bluetooth-amplifier-board-12v-24v-digital-power-amplifier-module-xy-p15w